3 4 2 1 I Think This Might Be The Answer
Answer:
x = 12
Step-by-step explanation:
Given
3x + x = 2x + 24, that is
4x = 2x + 24 ( subtract 2x from both sides )
2x = 24 ( divide both sides by 2 )
x = 12
Answer: I'm pretty sure it's 15
Step-by-step explanation:
18/6+12
3+12
15
Answer:
A) Gradient = -3
B) 3y - x = 7
Step-by-step explanation:
The curve has the equation;
y = x³ - 6x² + 9x + 1
We are given the pints it passes through as;
A(2,3) and P(3, 1)
A) to find the gradient, we will find the derivative of the given equation.
Thus;
Gradient = y' = 3x² - 12x + 9
At point A, x = 2. Thus;
Gradient = 3(2²) - 12(2) + 9
Gradient = 12 - 24 + 9
Gradient = -3
B) since the gradient of the tangent = -3, it means the gradient of the normal will be; -1/-3 = 1/3
Thus, equation of the normal to the curve at point A will be;
(y - 3) = ⅓(x - 2)
Multiply both sides by 3 to get;
3y - 9 = x - 2
3y - x = 9 - 2
3y - x = 7
The answer is 16.5 hope this helps!
